FR 4641 then SK 6 at Arlanda
Riga → Stockholm → Lulea
Timetable, Stockholm time
15:35FR 4641 from Riga at the gate
10:10SK 6 to Lulea leaves the gate
18 h 35 apart on the timetable, overnight
SK 6 leaves 18 h 35 after FR 4641 arrives on the timetable: more than half a day, so not a connection we count.